A multimeter and its test leads allow electrical workers to reach into an energized panel, touch live circuit components with the end of the test leads, and capture electrical readings like voltage, ...

We have all had difficulty testing diodes in-circuit. Most DMM’s have a diode Vf function that measures forward drop, but what is the normal voltage drop? Analog VOM’s attempt to measure resistance of ...

What methods can be applied to verify PCB functionality and safety? Which are suitable for mass production and for prototypes? What parameters are checked in each test? How to check a PCB without ...